Improved H2 production of Pt-TiO2/g-C3N4-MnOx composites by an efficient handling of photogenerated charge pairs
Improved H2 production of Pt-TiO2/g-C3N4-MnOx composites by an efficient handling of photogenerated charge pairs
复制标题
DOI：
10.1016/j.apcatb.2013.07.034
复制
发表时间：
2014-01-01
影响因子：
22.1
通讯作者：
Colon, G.
中科院分区：
文献类型：
--
作者：
Obregon, S.;Colon, G.
采用浸渍法制备了Pt-TiO_2/g-C_3 N_4-MnOx杂化材料。从广泛的结构和表面表征，我们已经指出，TiO 2/g-C3 N4复合材料形成的有效覆盖g-C3 N4由TiO 2。Pt和/或MnOx修饰的复合物导致改善的苯酚降解反应的光活性。此外，增强的光活性的复合体系的析氢反应已经获得。这种混合异质结构中电荷对的有效分离与其光催化性能有关。(C)2013爱思唯尔有限公司版权所有。
Pt-TiO2/g-C3N4-MnOx hybrid structures are synthesized by means of a simple impregnation method of Pt-TiO2 and g-C3N4-MnOx. From the wide structural and surface characterization we have stated that TiO2/g-C3N4 composites are formed by an effective covering of g-C3N4 by TiO2. The modification of composite by Pt and/or MnOx leads to improved photoactivities for phenol degradation reaction. Moreover, enhanced photoactivities have been obtained for composites systems for H-2 evolution reaction. The notably photocatalytic performance obtained was related with the efficient separation of charge pairs in this hybrid heterostructure. (C) 2013 Elsevier B.V. All rights reserved.